
* {
    margin: 0;
    padding: 0;
    font-size: 12px;
    font-family: "微软雅黑";
}
.all {
    width: 100%;
    height: 100%;
    max-height: 770px;
    /*background-color: #7fa4f2;*/
    background: linear-gradient(to right, #879eee, #ba78dc); /* 标准的语法 */

}

.chat_index {
    width: 1000px;
    height: 600px;
    /*border: 1px solid black;*/
    position: relative;
    top: 100px;
    margin: 0 auto;
}

.chat_banner {
    background: linear-gradient(to right, #a41adc, #ee1351, #a41adc); /* 标准的语法 */
    width: 999px;
    height: 50px;
    /*border: 1px solid blue;*/
}

.chat_body {
    width: 999px;
    height: 546px;
    /*border: 1px solid red;*/
}

.chat_online {
    overflow: hidden;
    float: left;
    height: 550px;
    width: 200px;
    /*border: 1px solid yellow;*/
    background: linear-gradient(to right, #bedccc, #5fb7bc); /* 标准的语法 */
}

.search_online {
    text-indent: 2em;
    height: 40px;
    /*border: 1px solid black;*/
}

.search_online input[type="text"] {
    outline: none;
    margin: 10px auto 0;
    height: 30px;
    width: 60%;
    border-radius: 8px;
    text-indent: 2em;
}

.online_friend ul li {

    list-style-type: none;
}

.online_friend ul li {

    height: 60px;
    border-bottom: 1px solid #f44207;
    margin-top: 10px;
}

.a_friend {
    margin-left: 1px;
    width: 196px;
    /*border: 1px solid #2328ff;*/
    height: 55px;
    background-color: #a192ff;

}

.head_portrait {

    background-color: #b532ff;
    margin: 6px 6px;
    float: left;
    height: 40px;
    width: 40px;
    /*border: 1px solid orangered;*/
    border-radius: 50%;
}

.head_text {
    padding: 3px;
    font-size: 22px;
    text-align: center;
    vertical-align: center;
    margin-top: 3px;
}

.friend {

    float: right;
    height: 54px;
    width: 140px;
    /*border: 1px solid rebeccapurple;*/
}

.friend .name {

    margin: 4px 6px;
    float: left;
}

.friend .this_time {
    margin-top: 4px;
    float: right;
}

.chat_main {
    float: left;
    width: 548px;
    height: 546px;
    /*border: 1px solid seagreen;*/
    /*background-color: white;*/
    background: url("../img/sd.jpg") no-repeat;
    background-size: cover;
}

.send_message {
    width: 548px;
    height: 58px;
    position: absolute;
    bottom: 0px;
    background: linear-gradient(to top, rgba(9, 216, 237, 0.99), #72cad4);
}

.send_message input[type="text"] {
    width: 470px;
    height: 30px;
    margin-top: 16px;
    margin-left: 10px;
    border-radius: 10px 0 0 10px;
    text-indent: 2em;
    outline: none;
    background-color: white;
    border: none;
}

.send_message input[type="button"] {
    border-radius: 0 10px 10px 0;
    width: 35px;
    height: 30px;
    background-color: white;
    border: none;
    margin-left: 0;
    background-color: white;
    border: none;
    outline: none;

}

.send_message input[type="button"]:hover {
    background-color: orangered;
}

.send_message input[type="button"]:active {
    background-color: #879eee;
}

.chat_namecard {
    float: left;
    width: 250px;
    height: 550px;
    /*border: 1px solid saddlebrown;*/
    background-color: #f1fea9;
}
/*聊天界面*/

.chat_content ul{
list-style-type: none;
}
/*隐藏滚动条，只有Google浏览器有效*/
.chat_content::-webkit-scrollbar{
    display: none;
}
.chat_content{
    overflow: auto;
    width: 540px;
    /*设置高度滚动条才有效*/
    height: 470px;
}
.chat_content li{
    margin-top: 10px;
    width: 540px;
    clear: both;
    display: block;

}

.chat_content li span {
    background: #ffd351;
    padding: 10px;
    border-radius: 10px;
    /*最大宽度不能太长，不然布局会混乱*/
    max-width: 400px;
    /*border: 1px solid white;*/
    box-shadow: 0 0 3px #879eee;
    overflow: hidden;
    float: right;
    /*图片和span的外边距要一致，不然布局混乱*/
    margin: 10px 5px 5px 0px;
}

.chat_content li img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    float: right;
    margin: 10px 5px 5px 0px;
}

.chat_content li img.imgleft {
    float: left;
}

.chat_content li img.imgright {
    float: right;
}

.chat_content li span.spanleft {
    float: left;

}

.chat_content li span.spanright {
    float: right;
}